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How Do I Put the Program from a USB Into Memory on a Haas?

by David Paquin

Haas designed their CNC (computer numerical control) machines with the ability to transfer program files from a USB drive to the control. This feature makes it convenient to move files between different machines or copy from a computer.

Step 1

Check if the program text is properly formatted. The program can be edited with simple text editors such as Notepad. The beginning of the file must have a "%" symbol followed by a program number starting with the letter "O," followed by five numbers. For example: O55555. The end of the text must be marked by a "%" symbol.

Step 2

Save the file to the USB drive with an ".nc" or ".txt" file extension. A ".txt" extension is readable by the CNC and by any other computer; an ".nc" extension is only eadable by other CNCs.

Step 3

Insert the USB drive into the port on the CNC machine. Press the "List Prog" key on the control panel. This will display the device manager on the screen. The USB drive appears in a row of tabs across the top of the screen. Use the left/right arrows on the keypad to highlight the tab labeled "USB." Press "Write/Enter" to display the contents of the USB drive.

Step 4

Use the up/down arrows on the keypad to highlight the program you want to copy. When it is highlighted on the screen, press "Write/Enter" to select it. A check mark appears to mark the file as selected. Multiple files may be selected simultaneously.

Use the up arrow on the keypad to go back up to the tabs. Highlight the tab labeled "Memory" and press "Write/Enter." The contents of the machine memory are displayed. Press "F2" to copy the selected file into the memory. The file name will then appear in the list. You can now activate and run it.

Items you will need

  • USB flash drive
  • Haas CNC machine with USB port
  • Program text file

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